Contact-type device for measuring thickness of wide-breadth precision sheet

A contact-type device for measuring thickness of wide-breadth precision sheet comprises a base, a platform, support seats, a fixed beam, a transmission shaft, an upper measuring head, a lower measuring head, rollers, a support plate and a synchronous belt, wherein the base comprises a steel frame base and adjustment foot pads; the platform is arranged above the base; the support seats are arranged on two sides of the platform; the fixed beam is arranged on the support seats; the transmission shaft is supported by a bearing support and fixed on the platform; the upper measuring head is mounted on the inner side surface of the fixed beam; the lower measuring head is mounted under the upper measuring head through a lower measuring head mounting base; the rollers are mounted on the outer side of the fixed beam through roller mounting bases and adjustment seats; the support plate is fixed on the platform through a support plate support seat; and the synchronous belt is attached to the supporting plate and located among measurement stations of all measuring heads. The device is ingenious in structure and high in measurement accuracy and measurement efficiency, the automation degree of a measurement process is increased, and the cost of the measurement device is reduced.